Making the optical signal involving the use of a transmitter,[9] typically from an electrical sign Ring network. Network products are linked to two other products on either side by way of a coaxial cable or an RJ-forty five cable. If you already have siamese coax combo cable installed from your https://hatyaipolicestation04937.blogscribble.com/33961934/how-much-you-need-to-expect-you-ll-pay-for-a-good-cctv